bootloader/common.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: main.c 11997 2007-01-13 09:08:18Z miipekk $
   9  *
  10  * Copyright (C) 2005 by Linus Nielsen Feltzing
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "lcd.h"
  22 #include "lcd-remote.h"
  23 #include "font.h"
  24 #include "system.h"
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <stdbool.h>
  28 #include "cpu.h"
  29 #include "common.h"
  30 #include "power.h"
  31 #include "kernel.h"
  32 #include "config.h"
  33 #include "logf.h"
  34 #include "button.h"
  35 #include "string.h"
  36 #include "usb.h"
  37 #include "file.h"
  38
  39 /* TODO: Other bootloaders need to be adjusted to set this variable to true
  40    on a button press - currently only the ipod, H10, Vibe 500 and Sansa versions do. */
  41 #if defined(IPOD_ARCH) || defined(IRIVER_H10)  || defined(IRIVER_H10_5GB) \
  42  || defined(SANSA_E200) || defined(SANSA_C200) || defined(GIGABEAT_F) \
  43  || (CONFIG_CPU == AS3525) || (CONFIG_CPU == AS3525v2) || defined(COWON_D2) \
  44  || defined(MROBE_100) || defined(MROBE_500) \
  45  || defined(SAMSUNG_YH925) || defined(SAMSUNG_YH920) \
  46  || defined(SAMSUNG_YH820) || defined(PHILIPS_SA9200) \
  47  || defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) \
  48  || defined(ONDA_VX747) || defined(PBELL_VIBE500) \
  49  || defined(TOSHIBA_GIGABEAT_S)
  50 bool verbose = false;
  51 #else
  52 bool verbose = true;
  53 #endif
  54
  55 int line = 0;
  56 #ifdef HAVE_REMOTE_LCD
  57 int remote_line = 0;
  58 #endif
  59
  60 char printfbuf[256];
  61
  62 void reset_screen(void)
  63 {
  64     lcd_clear_display();
  65     line = 0;
  66 #ifdef HAVE_REMOTE_LCD
  67     lcd_remote_clear_display();
  68     remote_line = 0;
  69 #endif
  70 }
  71
  72 int printf(const char *format, ...)
  73 {
  74     int len;
  75     unsigned char *ptr;
  76     va_list ap;
  77     va_start(ap, format);
  78
  79     ptr = printfbuf;
  80     len = vsnprintf(ptr, sizeof(printfbuf), format, ap);
  81     va_end(ap);
  82
  83     lcd_puts(0, line++, ptr);
  84     if (verbose)
  85         lcd_update();
  86     if(line >= LCD_HEIGHT/SYSFONT_HEIGHT)
  87         line = 0;
  88 #ifdef HAVE_REMOTE_LCD
  89     lcd_remote_puts(0, remote_line++, ptr);
  90     if (verbose)
  91         lcd_remote_update();
  92     if(remote_line >= LCD_REMOTE_HEIGHT/SYSFONT_HEIGHT)
  93         remote_line = 0;
  94 #endif
  95     return len;
  96 }
  97
  98 char *strerror(int error)
  99 {
 100     switch(error)
 101     {
 102     case EOK:
 103         return "OK";
 104     case EFILE_NOT_FOUND:
 105         return "File not found";
 106     case EREAD_CHKSUM_FAILED:
 107         return "Read failed (chksum)";
 108     case EREAD_MODEL_FAILED:
 109         return "Read failed (model)";
 110     case EREAD_IMAGE_FAILED:
 111         return "Read failed (image)";
 112     case EBAD_CHKSUM:
 113         return "Bad checksum";
 114     case EFILE_TOO_BIG:
 115         return "File too big";
 116     case EINVALID_FORMAT:
 117         return "Invalid file format";
 118     default:
 119         return "Unknown";
 120     }
 121 }
 122
 123 void error(int errortype, int error, bool shutdown)
 124 {
 125     switch(errortype)
 126     {
 127     case EATA:
 128         printf("ATA error: %d", error);
 129         break;
 130
 131     case EDISK:
 132         printf("No partition found");
 133         break;
 134
 135     case EBOOTFILE:
 136         printf(strerror(error));
 137         break;
 138     }
 139
 140     lcd_update();
 141     sleep(5*HZ);
 142     if(shutdown)
 143         power_off();
 144 }
 145
 146 /* Load firmware image in a format created by tools/scramble */
 147 int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
 148 {
 149     int fd;
 150     int rc;
 151     int len;
 152     unsigned long chksum;
 153     char model[5];
 154     unsigned long sum;
 155     int i;
 156     char filename[MAX_PATH];
 157
 158     snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
 159     fd = open(filename, O_RDONLY);
 160     if(fd < 0)
 161     {
 162         snprintf(filename,sizeof(filename),"/%s",firmware);
 163         fd = open(filename, O_RDONLY);
 164         if(fd < 0)
 165             return EFILE_NOT_FOUND;
 166     }
 167
 168     len = filesize(fd) - 8;
 169
 170     printf("Length: %x", len);
 171
 172     if (len > buffer_size)
 173         return EFILE_TOO_BIG;
 174
 175     lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
 176
 177     rc = read(fd, &chksum, 4);
 178     chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
 179     if(rc < 4)
 180         return EREAD_CHKSUM_FAILED;
 181
 182     printf("Checksum: %x", chksum);
 183
 184     rc = read(fd, model, 4);
 185     if(rc < 4)
 186         return EREAD_MODEL_FAILED;
 187
 188     model[4] = 0;
 189
 190     printf("Model name: %s", model);
 191     printf("Loading %s", firmware);
 192
 193     lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
 194
 195     rc = read(fd, buf, len);
 196     if(rc < len)
 197         return EREAD_IMAGE_FAILED;
 198
 199     close(fd);
 200
 201     sum = MODEL_NUMBER;
 202
 203     for(i = 0;i < len;i++) {
 204         sum += buf[i];
 205     }
 206
 207     printf("Sum: %x", sum);
 208
 209     if(sum != chksum)
 210         return EBAD_CHKSUM;
 211
 212     return EOK;
 213 }
 214
 215 /* Load raw binary image. */
 216 int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
 217 {
 218     int fd;
 219     int rc;
 220     int len;
 221     char filename[MAX_PATH];
 222
 223     snprintf(filename,sizeof(filename),"%s",firmware);
 224     fd = open(filename, O_RDONLY);
 225     if(fd < 0)
 226     {
 227         return EFILE_NOT_FOUND;
 228     }
 229
 230     len = filesize(fd);
 231
 232     if (len > buffer_size)
 233         return EFILE_TOO_BIG;
 234
 235     rc = read(fd, buf, len);
 236     if(rc < len)
 237         return EREAD_IMAGE_FAILED;
 238
 239     close(fd);
 240     return len;
 241 }
 242
 243 /* These functions are present in the firmware library, but we reimplement
 244    them here because the originals do a lot more than we want */
 245 int dbg_ports(void)
 246 {
 247    return 0;
 248 }
 249
 250 void mpeg_stop(void)
 251 {
 252 }
 253
 254 #ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
 255
 256 #define LINES   (LCD_HEIGHT/SYSFONT_HEIGHT)
 257 #define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
 258                             MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
 259
 260 #ifdef ONDA_VX747
 261 #define LOGF_UP     BUTTON_VOL_UP
 262 #define LOGF_DOWN   BUTTON_VOL_DOWN
 263 #define LOGF_CLEAR  BUTTON_MENU
 264 #else
 265 #warning No keymap defined for this target
 266 #endif
 267
 268 void display_logf(void) /* Doesn't return! */
 269 {
 270     int i, index, button, user_index=0;
 271 #ifdef HAVE_TOUCHSCREEN
 272     int touch, prev_y=0;
 273 #endif
 274     char buffer[COLUMNS+1];
 275
 276     while(1)
 277     {
 278         index = logfindex + user_index;
 279
 280         lcd_clear_display();
 281         for(i = LINES-1; i>=0; i--)
 282         {
 283             if(--index < 0)
 284             {
 285                 if(logfwrap)
 286                     index = MAX_LOGF_LINES-1;
 287                 else
 288                     break; /* done */
 289             }
 290
 291             memcpy(buffer, logfbuffer[index], COLUMNS);
 292
 293             if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
 294                 buffer[MAX_LOGF_ENTRY-1] = '>';
 295             else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
 296                 buffer[MAX_LOGF_ENTRY-1] = '\0';
 297
 298             buffer[COLUMNS] = '\0';
 299
 300             lcd_puts(0, i, buffer);
 301         }
 302
 303         button = button_get(false);
 304         if(button == SYS_USB_CONNECTED)
 305             usb_acknowledge(SYS_USB_CONNECTED_ACK);
 306         else if(button == SYS_USB_DISCONNECTED)
 307             ;
 308         else if(button & LOGF_UP)
 309             user_index++;
 310         else if(button & LOGF_DOWN)
 311             user_index--;
 312         else if(button & LOGF_CLEAR)
 313             user_index = 0;
 314 #ifdef HAVE_TOUCHSCREEN
 315         else if(button & BUTTON_TOUCHSCREEN)
 316         {
 317             touch = button_get_data();
 318
 319             if(button & BUTTON_REL)
 320                 prev_y = 0;
 321
 322             if(prev_y != 0)
 323                 user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
 324             prev_y = touch & 0xFFFF;
 325         }
 326 #endif
 327
 328         lcd_update();
 329         sleep(HZ/16);
 330     }
 331 }
 332 #endif